Desktop board



FIG. 1 is a perspective view of a desktop board, showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a rear side view thereof; and,

FIG. 5 is a left side view thereof.

In the drawings, the broken lines show portions of the desktop board that form no part of the claimed design. 

CLAIM I claim the ornamental design for a desktop board, as shown and described. 